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Most people who use cashback sites are leaving money behind without realising it. Here are the most common mistakes and how to fix them.

1. Only Using One Cashback Site

TopCashback usually has the best rates, but not always. Before every purchase, spend 30 seconds comparing rates between TopCashback and Quidco. The difference can be significant on big purchases.

2. Forgetting About Grocery Cashback

Most people think cashback is only for online shopping. Apps like Jam Doughnut, CheckoutSmart, and Shopmium let you earn on your weekly food shop too.

3. Not Using Airtime Rewards

This is genuinely free money. Link your card once and forget about it. It stacks with everything else and requires zero effort.

4. Clearing Cookies Too Soon

If you clear your browser cookies between clicking through a cashback site and completing your purchase, the tracking breaks and you won’t get your cashback.

5. Not Checking for Rate Boosts

Both TopCashback and Quidco regularly run elevated rates for specific retailers. Check the homepage before buying — you might save an extra few percent.

6. Ignoring the Browser Extensions

Both TopCashback and Quidco have browser extensions that alert you when you’re on a retailer’s site. Install them so you never accidentally miss cashback.

7. Not Being Patient

Cashback can take weeks or even months to be confirmed and become payable. Don’t panic if it doesn’t show up immediately — check the expected tracking time for each retailer.